General

  • Target

    55cfd403887d49db21b5f57811385ee6aad3cb227dffa94a09e562e245ec299d

  • Size

    1.7MB

  • Sample

    250109-1rw4gsslev

  • MD5

    7556cfc61d6c9b652ab946e86254b8b9

  • SHA1

    a73c8c885d2b10be4b534b2f79a46665b421d0ac

  • SHA256

    55cfd403887d49db21b5f57811385ee6aad3cb227dffa94a09e562e245ec299d

  • SHA512

    cf16e89abb9f0ffba94dc5c203847cae4f2189c7a52fa1b0f20ab06819a401ba9105b2aaed6025677453da092b0fd14253ad34fa469a762f12a6f0c07dfe226f

  • SSDEEP

    49152:5CmW42RvTUmuSbrvXCGFU38UYFQeUtfZeW:5CmWTRvTUmRHvXCmg8rLWMW

Malware Config

Extracted

Family

stealc

Botnet

brat

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      55cfd403887d49db21b5f57811385ee6aad3cb227dffa94a09e562e245ec299d

    • Size

      1.7MB

    • MD5

      7556cfc61d6c9b652ab946e86254b8b9

    • SHA1

      a73c8c885d2b10be4b534b2f79a46665b421d0ac

    • SHA256

      55cfd403887d49db21b5f57811385ee6aad3cb227dffa94a09e562e245ec299d

    • SHA512

      cf16e89abb9f0ffba94dc5c203847cae4f2189c7a52fa1b0f20ab06819a401ba9105b2aaed6025677453da092b0fd14253ad34fa469a762f12a6f0c07dfe226f

    • SSDEEP

      49152:5CmW42RvTUmuSbrvXCGFU38UYFQeUtfZeW:5CmWTRvTUmRHvXCmg8rLWMW

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks